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ClinicalTrials.gov public records Last synced Jul 22, 2026, 12:07 AM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
ITP, Immune Thrombocytopenia
Interventions
Fostamatinib
Drug
Lead sponsor
Rigel Pharmaceuticals
Industry
Eligibility
18 Years to 100 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
14
States / cities
Tamarac, Florida • Springfield, Illinois • Kansas City, Kansas + 10 more
Conditions
Antiphospholipid Syndrome (APS), Bullous Pemphigoid (BP), Behçet's Syndrome (BS), Dermatomyositis (DM), Immune-mediated Necrotizing Myopathy (IMNM), Immune Thrombocytopenia (ITP)
Interventions
RAY121
Drug
Lead sponsor
Chugai Pharmaceutical
Industry
Eligibility
18 Years to 85 Years
Enrollment
144 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
11
States / cities
Orange, California • Baltimore, Maryland • Lake Success, New York + 8 more
Conditions
Bone Marrow Failure Syndromes, Anemia, Aplastic, Myelodysplastic Syndromes, Hemoglobinuria, Paroxysmal, Red-Cell Aplasia, Pure, Purpura, Thrombocytopenic, Leukemia, Lymphocytic
Interventions
Not listed
Lead sponsor
Office of Rare Diseases (ORD)
NIH
Eligibility
11 Years and older
Enrollment
450 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
4
States / cities
Los Angeles, California • Tampa, Florida • Cleveland, Ohio + 1 more
Conditions
Immune Mediated Anemia, Immune Mediated Thrombocytopenia, Chronic GVHD
Interventions
fostamatinib
Drug
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years to 75 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Idiopathic Thrombocytopenia Purpura
Interventions
E5501, Drug: E5501
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Lenexa, Kansas
Conditions
Immune Thrombocytopenia
Interventions
Not listed
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
19 Months to 21 Years
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
New York, New York
Conditions
Primary Immune Thrombocytopenia
Interventions
Rozanolixizumab, Placebo
Drug · Other
Lead sponsor
UCB Biopharma SRL
Industry
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
2
States / cities
St. Petersburg, Florida • Boston, Massachusetts
Conditions
Immune Thrombocytopenia
Interventions
PRTX-100
Drug
Lead sponsor
Protalex, Inc.
Industry
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
6
States / cities
Los Angeles, California • Boston, Massachusetts • Farmington Hills, Michigan + 3 more
Conditions
Immune Thrombocytopenic Purpura
Interventions
Dexamethasone USP Micronized, Prednisone
Drug
Lead sponsor
Carelon Research
Other
Eligibility
15 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
18
States / cities
New Orleans, Louisiana • Baltimore, Maryland • Boston, Massachusetts + 10 more
Conditions
Primary Immune Thrombocytopenia
Interventions
Placebo, TAK-079
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years and older
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
7
States / cities
Tucson, Arizona • Gainesville, Florida • Peoria, Illinois + 3 more
Completed Phase 3 Interventional Results available

EXTEND (Eltrombopag Extended Dosing Study)

NCT00351468
Conditions
Purpura, Thrombocytopaenic, Idiopathic
Interventions
eltrombopag olamine (SB-497115-GR)
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
302 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2015
U.S. locations
23
States / cities
Huntsville, Alabama • Mobile, Alabama • Jonesboro, Arkansas + 20 more
Conditions
Primary Immune Thrombocytopenia
Interventions
PF-06835375
Biological
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 70 Years
Enrollment
91 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2028
U.S. locations
1
States / cities
Greenville, North Carolina
Conditions
Primary Immunodeficiency Diseases (PID), Immune Thrombocytopenic Purpura (ITP), Kawasaki Syndrome
Interventions
Immune Globulin Intravenous (Human), 10%
Biological
Lead sponsor
Baxalta now part of Shire
Industry
Eligibility
24 Months and older
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2003
U.S. locations
11
States / cities
Los Angeles, California • Stanford, California • Englewood, Colorado + 8 more
Completed Phase 2 Interventional Results available

Safety and Efficacy of Eltrombopag at Escalated Doses

NCT01880047
Conditions
Immune Thrombocytopenia, Platelet Disorder
Interventions
Eltrombopag, Placebo
Drug
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
12 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
New York, New York
Conditions
Idiopathic Thrombocytopenic Purpura (ITP), Immune Thrombocytopenic Purpura (ITP)
Interventions
rituximab
Drug
Lead sponsor
Neufeld, Ellis J, MD, PhD
Individual
Eligibility
18 Months to 18 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2005
U.S. locations
9
States / cities
Los Angeles, California • Palo Alto, California • San Francisco, California + 6 more
Conditions
Primary Immune Thrombocytopenia
Interventions
Rozanolixizumab, Placebo
Drug · Other
Lead sponsor
UCB Biopharma SRL
Industry
Eligibility
18 Years and older
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Seattle, Washington
Conditions
Thrombocytopenia, Immune, Heparin Induced Thrombocytopenia
Interventions
VLX-1005, Placebo
Drug
Lead sponsor
Veralox Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
14
States / cities
Stanford, California • Aurora, Colorado • New Haven, Connecticut + 9 more
Conditions
Immune Thrombocytopenia
Interventions
Avatrombopag, Placebo
Drug
Lead sponsor
Sobi, Inc.
Industry
Eligibility
1 Year to 17 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
21
States / cities
Phoenix, Arizona • Long Beach, California • Orange, California + 18 more
Conditions
Thrombocytopenia in Pediatric Subjects With Immune Idiopathic Thrombocytopenic Purpura ITP
Interventions
Romiplostim
Biological
Lead sponsor
Amgen
Industry
Eligibility
1 Year and older
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2017
U.S. locations
24
States / cities
Orange, California • San Diego, California • Washington D.C., District of Columbia + 20 more
Conditions
Autoimmune Hemolytic Anemia, Immune Thrombocytopenia
Interventions
KZR-616
Drug
Lead sponsor
Kezar Life Sciences, Inc.
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
15
States / cities
Los Angeles, California • San Francisco, California • Jacksonville, Florida + 12 more
Conditions
Immune Thrombocytopenic Purpura
Interventions
LGD-4665, Placebo
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
15
States / cities
San Diego, California • San Francisco, California • Manchester, Connecticut + 9 more
Conditions
Immune Thrombocytopenia
Interventions
Acetaminophen and Diphenhydramine Only Product
Drug
Lead sponsor
Baylor College of Medicine
Other
Eligibility
1 Month to 18 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Houston, Texas
Conditions
Immune Thrombocytopenia
Interventions
Avatrombopag Oral Tablet
Drug
Lead sponsor
Sobi, Inc.
Industry
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
20
States / cities
Tucson, Arizona • Whittier, California • Washington D.C., District of Columbia + 17 more
Conditions
Idiopathic Thrombocytopenic Purpura
Interventions
Blinded (placebo), Open Label (Avatrombopag tablets), Blinded (Avatrombopoag tablets)
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
18 Years and older
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
12
States / cities
Anaheim, California • Bakersfield, California • Manchester, Connecticut + 8 more